require 'rails_helper'

describe Jobs::ReindexSearch do
  before { SearchIndexer.enable }
  after { SearchIndexer.disable }

  let(:locale) { 'fr' }
  # This works since test db has a small record less than limit.
  # Didn't check `topic` because topic doesn't have posts in fabrication
  # thus no search data
  %w(post category user).each do |m|
    it "should rebuild `#{m}` when default_locale changed" do
      SiteSetting.default_locale = 'en'
      model = Fabricate(m.to_sym)
      SiteSetting.default_locale = locale
      subject.execute({})
      expect(model.send("#{m}_search_data").locale).to eq locale
    end

    it "should rebuild `#{m}` when INDEX_VERSION changed" do
      model = Fabricate(m.to_sym)
      # so that search data can be reindexed
      search_data = model.send("#{m}_search_data")
      search_data.update_attributes!(version: 0)
      model.reload

      subject.execute({})
      expect(model.send("#{m}_search_data").version).to eq SearchIndexer::INDEX_VERSION
    end
  end

  describe 'rebuild_problem_posts' do
    class FakeIndexer
      def self.index(post, force:)
        @posts ||= []
        @posts.push(post)
      end

      def self.posts
        @posts
      end

      def self.reset
        @posts.clear
      end
    end

    after do
      FakeIndexer.reset
    end

    it 'should not reinex posts that belong to a deleted topic' do
      post = Fabricate(:post)
      post2 = Fabricate(:post)
      post.post_search_data.destroy!
      post2.post_search_data.destroy!
      post2.topic.trash!

      subject.rebuild_problem_posts(indexer: FakeIndexer)

      expect(FakeIndexer.posts).to contain_exactly(post)
    end

    it 'should not reindex posts with empty raw' do
      post = Fabricate(:post)
      post.post_search_data.destroy!

      post2 = Fabricate.build(:post,
        raw: "",
        post_type: Post.types[:small_action]
      )

      post2.save!(validate: false)

      subject.rebuild_problem_posts(indexer: FakeIndexer)

      expect(FakeIndexer.posts).to contain_exactly(post)
    end
  end

  describe '#execute' do
    it(
      "should clean up post_search_data of posts with empty raw or posts from " \
      "trashed topics"
    ) do

      post = Fabricate(:post)
      post2 = Fabricate(:post, post_type: Post.types[:small_action])
      post2.raw = ""
      post2.save!(validate: false)
      post3 = Fabricate(:post)
      post3.topic.trash!
      post4 = nil

      freeze_time(1.week.ago) do
        post4 = Fabricate(:post)
        post4.topic.trash!
      end

      expect { subject.execute({}) }.to change { PostSearchData.count }.by(-2)

      expect(Post.all.pluck(:id)).to contain_exactly(
        post.id, post2.id, post3.id, post4.id
      )

      expect(PostSearchData.all.pluck(:post_id)).to contain_exactly(
        post.post_search_data.post_id, post3.post_search_data.post_id
      )
    end
  end
end